Event between (609221) 04VC131 and star GA1120:00864921 with event index number of 2789313
Geocentric closest approach at 2028/11/12 22:33:16 UTC
J2000 position of star is 04:53:09.9 +22:09:36
Equinox of date position of star is 04:54:36.3 +22:11:53
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 107 degrees from the moon.
Moon is 18% illuminated.
Apparent brightness V=22.3
Object is 41.0 AU from the Sun
and 40.1 AU from the Earth.
Apparent velocity is 22.9
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 115 seconds.
The 1-sigma cross-track error in the shadow position is
1508 km.
The object has an absolute magnitude Hv=6.1
Diameter=351.6 km assuming a 5% albedo -- 15.9 sec chord
Diameter=143.5 km assuming a 30% albedo -- 6.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 609221, (2028/11/12 22:33UT) Object RA Dec mag sep mel Aldebaran 04:37:34.8 +16:33:55 0.8 6.96 111 Alnath 05:28:07.2 +28:37:45 1.6 9.87 99 PPM 093742 04:47:27.3 +23:40:43 6.1 2.26 109 PPM 093881 04:56:33.2 +22:11:27 8.5 0.38 107 PPM 093851 04:54:48.8 +22:16:48 9.7 0.08 107 609221 04:54:53.7 +22:12:20 16.2 106 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 609221, (2028/11/12 22:33UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 6.96 111 Alnath 05:26:17.6 +28:36:23 1.6 9.87 99 PPM 093742 04:45:42.5 +23:37:41 6.1 2.26 109 PPM 093881 04:54:49.3 +22:08:47 8.5 0.38 107 PPM 093851 04:53:04.9 +22:14:04 9.7 0.08 107 609221 04:53:09.9 +22:09:36 16.2 107 Positions are for J2000
Event circumstances last updated at 2024/01/09 22:28:27 UT
Marc W. Buie, Southwest Research Institute